Answer: Development of irrigation systems to provide food for themselves
Explanation:
The Indus River valley achievements could be seen in how they developed their irrigation system to provide food for themselves. Enlisted are the following achievements they made;
1) They developed a uniform weight and measures.
2) They were the first to bring about urban sanitization systems.
3) Transportation and trade was their major goal
4) Their art was highly advanced.
The answer is A because rome was one of the most functional cities of the time
The first blank the answer is industrialization while the second blank is exclusion. Even supposing this theory is not as well recognized and is to some extent debatable, it has made a room in science for accepting how important communal forces have compressed the separate and shared lives of the elderly.
Answer: c. neither the subjects in the experimental or control groups nor the experimenters know which are the experimental and control groups
Explanation:
A double minded study could be described as one where both the party carrying out the experiment and the perty involved in the experiment do not know themselves. The researcher has no idea with whom they are interacting with. They just perform function and go their way. The purpose of the study is to eliminate suggestion among pratitioners.